【精准高考】2018高考英语(人教)大一轮复习(检测):第1部分 选修6 Unit 4 Global warming 练案 Word版含解析
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1、第一部分 选修六 Unit 4.阅读理解A(2016上海) 导 学 号 42492627Is there link between humans and climate change or not? This question was first studied in the early 1900s.Since then, many scientists have thought that our actions do make a difference.In 1997, the Kyoto Protocol explained our role in the Earths changing
2、atmosphere and set international limits for gas emissions(排放) from 2008 to 2012.Some countries have decided to continue these reductions until 2020.More recently, the Paris Agreement, stuck by nearly 200 countries, also aims to limit global warming.But just now how much warmer it will get depends on
3、 how deeply countries cut carbon emissions.3.5This is how much temperatures would rise by 2100 even if nations live up to the initial Paris promises to reduce carbon emissions; this rise could still put coastal cities under water and drive over half of all species to extinction.2To meet this minimum
4、 goal, the Agreement requires countries to tighten emissions targets every five years.Even this increase could sink some islands, worse drought(干旱) and drive a decline of up to a third in the number of species.1.5This is the most ambitious goal for temperature rise set by the Paris Agreement, after
5、a push by lowlying island nations like Kiribati, which say limiting temperature rise to 1.5 could save them from sinking.0.8This is how much temperatures have risen since the industrial age began, putting us 40% of the way to the 2 point.0The baseline here is average global temperature before the st
6、art of the industrial age.文章大意:本文介绍了人们一直努力减少温室气体的排放,并 设立了到2100 年我们应该达成的目标以及达成目标要符合的条件。1It can be concluded from paragraph 1 that_D_.Athe problem of global warming will have been quite solved by 2020Bgas emissions have been effectively reduced in developed countriesCthe Paris Agreements is more influ
7、ential than the Kyoto ProtocolDhumans have made continuous efforts to slow down global warming解析:推理判断题。根据文章第一段三至六句 “Since then, many scientists have thought that our actions do make a difference.In 1997,the Kyoto.stuck by nearly 200 countries, also aims to limit global warming.”可知自从 20 世纪早期开始人类就一直在努
8、力减少温室气体的排放,希望能减缓全球变暖的趋势。故 D 项正确。2If nations could only keep the initial promises of the Paris Agreement, what would happen by the year 2100?_D_AThe human population would in crease by one third.BLittle over 50% of all species would still exist.CNations would not need to tighten their emissions targe
9、ts.DThe Agreements minimum goal would not be reached.解析:推理判断题。根据文章第二段 This is how much temperatures would rise by 2100 even if nations live up to the initial Paris promises to reduce carbon emissions;可知如果各国的气体排放能够符合巴黎协议的要求,到 2100 年气温会比现在高三度。而根据第三段 To meet this minimum goal 可知最小的目标是上升两度。也就是说即使各国的气体排放
10、能够符合巴黎协议的要求,也达不到最小的目 标。故 D 正确。3If those island nations not far above sea level are to survive, the maximum temperature rise, since the start of the industrial age, should be_B_.A0.8 B1.5C2 D3.5解析:细节理解题。根据第四段 1.5This is the most ambitious goal for temperature rise set by the Paris Agreement, after a
11、push by lowlying island nations like Kiribati, which say limiting temperature rise to 1.5 could save them from sinking.可知,对于那些低海拔的国家来说上升 1.5 度,就可以避免他 们被淹没。故 B 正确。B(2016深圳一调) 导 学 号 42492628An absolute description of the threat hanging over the worlds mammals, reptiles, amphibians (哺乳、爬行、两栖动物) and oth
12、er life forms has been published by the wellknown scientific journal, Nature. A special analysis carried out by the journal indicates that an astonishing 41% of all amphibians on the planet now face extinction while 26% of mammal species and 13% of birds are similarly threatened.Many species are alr
13、eady critically endangered and close to extinction, including the Sumatran elephant, Amur leopard and mountain gorilla.But also in danger of vanishing from the wild, it now appears, are animals that are currently rated as merely being endangered.In each case, the finger of blame points directly at h
14、uman activities.The continuing spread of agriculture is destroying millions of hectares of wild habitats(栖息地) every year, leaving animals without homes, while the introduction of newlycome species, often helped by humans, is also damaging native populations.At the same time, pollution and overfishin
15、g are destroying ocean ecosystems.“Habitat destruction, pollution or overfishing either kills off wild creatures and plants or leaves them badly weakened, ” said Derek Tittensor, an ocean ecologist at the World Conservation Monitoring Centre in Cambridge.“The trouble is that in coming decades, the a
16、dditional threat of worsening climate change will become more and more common and could then kill off these survivors.”The problem, according to Nature, is worsened because of the huge gaps in scientists knowledge about the planets biodiversity.Evaluations of the total number of species of animals a
17、nd plants alive vary from 2 million to 50 million.In addition, evaluations of current rates of species disappearances vary from 500 to 36,000 a year.“That is the real problem we face, ” added Tittensor.“The scale of uncertainty is huge.”In the end, however, the data indicate that the world is headin
18、g cruelly towards a mass extinctionwhich is defined as one involving a loss of 75% of species or more.This could arrive in less than a hundred years or could take a thousand, depending on extinction rates.文章大意:这是一篇科普文。世界著名科学杂志自然作了一个特 别分析,用一些惊人的数据说明世界上一些动植物正面临灭绝,同 时指出,造成灭绝的直接原因是人类的破坏活动。4Whats the mai
19、n idea of the first two paragraphs ?_C_AFigures about some wild animals are astonishing.B “Nature” is the famous journal around the world.CMany endangered species are close to extinction.DSome rare species have appeared around the world.解析:主旨大意题。根据文章第一段中的 “an astonishing 41% of all amphibians on the
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